数字广播电视发射机应急改频  

Emergency Frequency Change of Digital Broadcasting and Television Transmitters

作　　者：丘源元 QIU Yuan-yuan(Guangdong Hongtuzhang TV FM Broadcasting Station,Meizhou 514011,China)

机构地区：[1]粤东鸿图嶂电视调频转播台,广东梅州514011

出　　处：《嘉应学院学报》2023年第6期14-20,共7页Journal of Jiaying University

摘　　要：根据国家广播电视总局规划的中央广播电视节目无线数字覆盖工程将分步骤全面实现地面电视的模拟转数字,广东省广播电视局广东省700兆赫频率迁移项目“二十大”重要保障期安全播出事故应急处置方案的等相关工作部署的相关工作.本台以2022年8月上旬完成设备的收货、安装调试工作.为了消除安全播出隐患在本台以现有设备的条件进行应急改频工作,完成了“不间断”保障了重要播出任务.According to the Central Radio and Television Program Wireless Digital Coverage Project planned by the State Administration of Radio and Television,the analog to digital conversion of terrestrial television will be comprehensively realized in steps,and the emergency response plan for safety broadcasting accidents during the important guarantee period of"the 20th National Congress"of the Guangdong Provincial Radio and Television Bureau’s 700 MHz frequency migration project will be developed.Our station will complete the receipt of equipment,installation and debugging work by early August 2022.In order to eliminate the hidden dangers of safety broadcasting,our station has carried out emergency frequency work with the existing equipment conditions,completed the"uninterrupted"to protect the important broadcasting tasks.

关 键 词：DTMB 数字音频广播CDR 应急播出 应急改频 控制单元 

分 类 号：TP335[自动化与计算机技术—计算机系统结构]